Waterproof and corrosion resistant Vibration and soundproof as well as environmental protection Excellent for support and balance or resistance exercises Smooth finish, easy to clean and resistant to algae bacteria Perfect for those who have a wound or for those who can not lift weights in the gym Materials: EVA Color green Size Chart: The 270 mm total length The 145 mm diameter in the foam The package includes: 1 pair * Floating dumbbells on the water Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.